Swan Hill police are calling for information after a suspicious fire at an unused church hall.
Firefighters were called to the blaze at the old Uniting church hall in Murlong Street about 1.20pm on Tuesday.
Swan Hill Sergeant Roberta Barry said the building was extensively damaged by the fire and police were now investigating.
She called for anyone who might have seen someone acting suspiciously in the area to contact police.
Anyone with information can call the Swan Hill police station on 5036 1600.